build(deps): bump @sigstore/sign from 4.1.0 to 4.1.1

Bumps [@sigstore/sign](https://github.com/sigstore/sigstore-js) from 4.1.0 to 4.1.1.
- [Release notes](https://github.com/sigstore/sigstore-js/releases)
- [Commits](https://github.com/sigstore/sigstore-js/compare/sigstore@4.1.0...@sigstore/sign@4.1.1)

---
updated-dependencies:
- dependency-name: "@sigstore/sign"
  dependency-version: 4.1.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -51,7 +51,7 @@
     "@actions/io": "^3.0.2",
     "@actions/tool-cache": "^4.0.0",
     "@sigstore/bundle": "^4.0.0",
-    "@sigstore/sign": "^4.1.0",
+    "@sigstore/sign": "^4.1.1",
     "@sigstore/tuf": "^4.0.2",
     "@sigstore/verify": "^3.1.0",
     "async-retry": "^1.3.3",